CEPEX Compression Straight Coupling – High-Quality PP Fittings | Multiple Sizes

The CEPEX Compression Straight Coupling is a premium polypropylene (PP) compression fitting designed for use in polyethylene (PE) pressure pipe systems. Available in a broad range of metric sizes from D16 mm up to D110 mm, this coupling provides a straight‑through connection with no diameter reduction — making it perfect for joining equal‑sized pipes in irrigation, borehole, water‑treatment or general water supply applications. Certified to major international standards, it delivers reliable performance with minimal installation time.

Key Features

• High-Quality PP Construction – UV-stabilised, corrosion-resistant, and suitable for outdoor installation

• Secure Compression Ends – Easy to assemble and tighten by hand or with a plastic spanner

• Wide Size Range – Available in sizes from 16mm to 110mm

• Compatible with HDPE Pipes – Designed to work with most PE pipe types

• Suitable for High Pressure – PN16 rated for most models

• No Welding or Cement Needed – Simplifies and speeds up installation

Available Sizes (Compression)

• 16mm

• 20mm
  

• 25mm

• 32mm
  

• 40mm 

• 50mm

• 63mm

• 75mm

• 90mm

• 110mm
  

Technical Specifications

• Material: UV-stabilised polypropylene (PP)

• Working Pressure: Up to 16 bar (PN16), depending on size

• Colour: Black body with blue compression nut

• Temperature Range: 0°C to 60°C

• Certifications: ISO 17885, ISO 14236, WRAS-approved (select models)

Applications

• Irrigation and agricultural water supply systems

• Borehole and pump outlet branching

• Water filtration and softener system connections

• Industrial water lines

• Residential and commercial plumbing

Benefits

• Quick and reliable installation

• Corrosion-free and resistant to most chemicals

• Reusable and long-lasting

• Suitable for buried or above-ground use

• Offers flexibility in branching and layout design

What You Get

• 1 x CEPEX Compression Straight Coupling (select size)

• Ready-to-install, fully assembled unit

Important Note

Product images are for illustrative purposes only and may not always reflect the exact scale, dimensions, or thread types.